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- In one year, there were 18 males and 34 females. Over the following year, each female gave birth, of which 28 survived. Nine elephants died due to predators. A construction project cleared 50 acres of nearby forested land, causing 5 males and 19 females to immigrate into the experimental area. Competition for females increased, resulting in the emigration of 10 males to a new territory in search of mates.King penguins are flightless aquatic birds found primarily in the Southern hemisphere. They live as a large colony and have highly social interactions. King penguins begin reproducing at six years of age and lay one or two eggs per reproductive cycle.Males and females share the incubation duties and raise the chicks together for about 15 months. When the young penguins get older, they form a large group guarded by only a few adult penguins, allowing the parents to forage for food without having to worry about their young. As a population, penguins could be classified as Select one: a. r-selected because only a few adult penguins care for the young penguins b. K-selected because they only lay one or two eggs per reproductive cycle c. K-selected because they live in a large colony, often sharing responsibility for caring for the young penguins d. r-selected because of the relatively long breeding cycleMockingbirds typically lay 3 eggs. If the mockingbird produces more than three eggs their young are often malnourished because they have so many to feed. If less than 3 eggs are produced they may not have any viable offspring. This is an example of
- Most species produce more offspring than can survive in the environment due to limited resources. O True O FalseThere are 2 types of worms that eat at night (nocturnal) and worms that eat during the day (diurnal). The birds eat during the day and seem to be eating ONLY the diurnal worms. The nocturnal worms are in their burrows during this time. Each spring when the worms reproduce, they have about 500 babies but only 100 of these 500 over become old enough to reproduce. Describe how some variations are favorable How will this population change over time?The current wild population is estimated to be about 50 individuals. However, a new threat to red wolves has arisen: hybridization with coyotes (Canis latrans), which have become more numerous in the areas inhabited by red wolves. Although red wolves and coyotes differ in morphology and DNA, they are capable of interbreeding and producing fertile offspring. Social behavior is the main reproductive barrier between the species and is more easily overcome when same-species mates are rare. For this reason, some people think that the endangered status of the red wolf should be withdrawn and resources should not be spent to protect what is not a “pure” species.
- In Kenya, the Sheldrick Elephant orphanage takes care of elephants that have lost their herd as a result of poaching. In 2012, the orphanage had a population size of 387 elephants. Over the next two years, they had 18 pregnant cows birth successfully. Three cows were lost due to complications with their pregancies. They lost 14 more from sickness. They found 57 elephants that required care and were able to release 12 into the wild. All of the elephants are kept in a 225 m 175 m rectangular park. Calculate the population growth, growth rate, per capita growth rate and population density at beginning of the year and end of the year. Express your answers using two significant digits.Is the following case study an r-strategists or a K-strategists? Andean condors reach sexual maturity at five to six years. Reproduction is slow; females lay only one or two eggs every other year. Offspring are cared for by both parents for at least one year. Andean condors are long-lived and can survive for seventy to seventy-five years.In Kenya, the Sheldrick Elephant orphanage takes care of elephants that have lost their herd as a result of poaching. In 2012, the orphanage had a population size of 387 elephants. Over the next two years, they had 18 pregnant cows birth successfully. Three cows were lost due to complications with their pregancies. They lost 14 more from sickness. They found 57 elephants that required care and were able to release 12 into the wild. All of the elephants are kept in a 225 m 175 m rectangular park. Calculate the population growth, growth rate, per capita growth rate and population density at beginning of the year and end of the year. Express your answers using two significant digits and show all your work in details.
- In Kenya, the Sheldrick Elephant orphanage takes care of elephants that have lost their herd as a result of poaching. In 2012, the orphanage had a population size of 387 elephants. Over the next two years, they had 18 pregnant cows birth successfully. Three cows were lost due to complications with their pregancies. They lost 14 more from sickness. They found 57 elephants that required care and were able to release 12 into the wild. All of the elephants are kept in a 225 m 175 m rectangular park. Calculate population growth, growth rate, per capita growth rate, and population density at the beginning of the year and population density atm the end of 2 years Keep all decimals during calculations and express your answers using two significant digits.In most species containing individuals that are either male or female, the proportion of males and females changes over time. This graph shows shifting male female ratios in a wasp population over 10years. Based on the data shown in the graph, select the statements that describe what happens whenever one sex becomes rare or common Percent male or female 100% 80% 60%- 40% 20% 0 Proportion of male and female wasps in a population over a 10-year period 1 2 3 4 5 6 7 Year Males • Females 8 9 10 When one sex becomes either more rare or more common, parents produce an equal number of sons and daughters. The sex ratio returns to an equal number of males and females. When one sex becomes rare, the other sex becomes common due to random fluctuations in the production of male and female offspring. The fitness of the parents is not affected. When one sex becomes rare, parents producing that sex have higher fitness due to a higher probability of mating success in their offspring. The rare sex…A male lion in Kenya generates more money through ecotourism than if killed for its skin. True False